linux-kernel - [PATCH 5.15 093/102] net: phy: micrel: Pass .probe for KS8737

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Date:   Mon, 16 May 2022 21:37:07 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Fabio Estevam <festevam@...x.de>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.15 093/102] net: phy: micrel: Pass .probe for KS8737

From: Fabio Estevam <festevam@...x.de>

commit 15f03ffe4bb951e982457f44b6cf6b06ef4cbb93 upstream.

Since commit f1131b9c23fb ("net: phy: micrel: use
kszphy_suspend()/kszphy_resume for irq aware devices") the kszphy_suspend/
resume hooks are used.

These functions require the probe function to be called so that
priv can be allocated.

Otherwise, a NULL pointer dereference happens inside
kszphy_config_reset().

Cc: stable@...r.kernel.org
Fixes: f1131b9c23fb ("net: phy: micrel: use kszphy_suspend()/kszphy_resume for irq aware devices")
Reported-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Fabio Estevam <festevam@...x.de>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Link: https://lore.kernel.org/r/20220504143104.1286960-2-festevam@gmail.com
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/phy/micrel.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -1544,6 +1544,7 @@ static struct phy_driver ksphy_driver[]
 	.name		= "Micrel KS8737",
 	/* PHY_BASIC_FEATURES */
 	.driver_data	= &ks8737_type,
+	.probe		= kszphy_probe,
 	.config_init	= kszphy_config_init,
 	.config_intr	= kszphy_config_intr,
 	.handle_interrupt = kszphy_handle_interrupt,